Half Heart Necklaces for Boyfriend and Girlfriend Sterling Silver Material: 925 Sterling Silver Price mentioned is for pair of pendants and pair of chains (One pendant and chain for men, one pendant and chain for women)! Accessory: Jewelry Box included (Random color and design for jewelry box will be included with rings set) Necklaces Quality Assurance: This necklaces set is made of highest quality 925 Sterling Silver, negative ion plating technology used which makes these necklaces never fade, retains shine and is anti-allergic Standard Airmail Shipping, normal delivery time is 9 - 16 days. Express Shipping delivery time is 4 - 6 days